1421701853 has 24 divisors (see below), whose sum is σ = 1686264480. Its totient is φ = 1188183360.

The previous prime is 1421701837. The next prime is 1421701859. The reversal of 1421701853 is 3581071241.

It is not a de Polignac number, because 1421701853 - 2⁴ = 1421701837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421701859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498650 + ... + 501492.

It is an arithmetic number, because the mean of its divisors is an integer number (70261020).

Almost surely, 2^1421701853 is an apocalyptic number.

1421701853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1421701853 is a deficient number, since it is larger than the sum of its proper divisors (264562627).

1421701853 is a wasteful number, since it uses less digits than its factorization.

1421701853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149 (or 3136 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1421701853 is about 37705.4618457326. The cubic root of 1421701853 is about 1124.4397152129.

The spelling of 1421701853 in words is "one billion, four hundred twenty-one million, seven hundred one thousand, eight hundred fifty-three".